<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>AJAX</title>
</head>
<body>
    <h1>我是董董</h1>

    <button id="getCSS">获取 CSS</button>
    <button id="getJS">获取 JS</button>
    <button id="getHTML">获取 HTML</button>
    <button id="getXML">获取 XML</button>
    <button id="getJSON">获取 JSON</button>
    <button id="getNextPage">下一页</button>

    <ul id="list"></ul>

    <script src="./main.js"></script>
</body>
</html>